Fig. 5
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Top panel: scatter plot of photon index Γ vs. EW6.7 of the 72 sources listed in Table A.1. Middle panel: same as the above plot, with data re-binned with an EW step size of 0.3 keV and errors propagated from individual measurement. Bottom panel: linear correlation between Γ vs. EW6.7 obtained from spectral simulation of ionised plasma at different temperatures of solar abundance.
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